US PATENT SUBCLASS 425 / 175
MEANS FORMING A MOLD; OR FLASK, PER SE

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

175MEANS FORMING A MOLD; OR FLASK, PER SE {5}
176  DF  .~> Including means to separate subsequently molded product from formed mold (e.g., destructible starch type, etc.)
177  DF  .~> Press means to form mold
178  DF  .~> Including ram type feed of molding material or means to break bond between flask and contents
179  DF  .~> Including, structurally integral fastening means
180  DF  .~> Three part flask

DEFINITION

Classification: 425/175

(under the class definition) Apparatus comprising (1) means for forming a mold or shaping surface by utilizing molding means within the scope of this class or (2) any means manufacturing (e.g.., laminating, metal casting, etc..) a shaping surface followed by means utilizing the shaping means for performing an operation of this class.

(1) Note. Flasks, per se, for forming molds for use in this class are considered mold forming means and included herein.

(2) Note. Mere assembly of parts to bring them together to form a mold is not considered to be manufacturing under this definition. Such devices will be found in subclasses 436+ and 450.1.

SEE OR SEARCH CLASS

164, Metal Founding,

159+, for apparatus for making molds from sands, plastics or other materials wherein the molds are used for metal founding. 264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

219+, for a process including a step of making a mold.

427, Coating Processes,

133+, for processes of coating a mold.

433, Dentistry,

34+, for means for making dental molds.